#mixly_epd.blocklyTreeRow > div.blocklyTreeRowContentContainer > span.blocklyTreeIcon{
    background:url('../media/mark_epd.svg') no-repeat;
    background-size: 100% auto;
}
#mixly_epd.blocklyTreeRow.blocklyTreeSelected > div.blocklyTreeRowContentContainer > span.blocklyTreeIcon{
    background:url('../media/mark_epd2.svg') no-repeat;
    background-size: 100% auto;
}